One of the worst hacks yet discovered had an impact on all four. SolarWinds and Microsoft programs were used to attack others and the hack struck at about 100 U.S. companies and nine federal agencies.

While largely invisible to users, BlastDoor is present on iOS 14, the most recent version of Apple’s iPhone operating system, and systems for all its other devices, company officials said.

Experian said it was investigating whether the personal data of millions of Brazilians that was found to be illegally offered for sale online could be connected with its Brazilian business Serasa.

Suspected Chinese hackers exploited a flaw in software made by SolarWinds Corp to help break into U.S. government computers last year, five people familiar with the matter told Reuters.

New Zealand’s financial markets regulator said the country’s stock exchange operator’s systems were “insufficient” following a probe into the multiple outages and cyber attacks last year.

Some of the COVID-19 documents leaked online in a cyberattack on the European Medicines Agency disclosed last month were not published in their original form and may have been taken out of context, the regulator said on Monday.

The incident occurred with the file sharing software provided by California-based Accellion. The same software was also used by New Zealand’s central bank, who faced a cyber attack earlier this month.

President Joe Biden is hiring a group of national security veterans with deep cyber expertise, drawing praise from former defense officials, investigators, and cyber experts.

Intel Corp said on Thursday that it was investigating reports that a graphic in its quarterly earnings statement had been the object of unauthorized access before publication.

The order gives the Commerce Department authority to write rules to bar transactions with foreigners in cloud computing products or services, if a foreigner uses them for cyberattacks.